腾讯云Elasticsearch 和 analysis-ik 的安装使用教程 https://cloud.tencent.com/developer/labs/lab/10433

部署java环境 https://www.shuzhiduo.com/A/lk5aMBAq51/

安装ElasticSearch https://blog.csdn.net/zerokissingthefire/article/details/100104607

elasticsearch7.x安装异常 ERROR: [2] bootstrap checks failed. You must address the points described in th https://blog.csdn.net/liuming690452074/article/details/119860353

# 开放端口9200
firewall-cmd  --zone=public —add–port=9200/tcp —permanent

# 重新载入
firewall-cmd  --reload

ERROR: [2] bootstrap checks failed. You must address the points described in the following [2] lines before starting Elasticsearch.
bootstrap check failure [1] of [2]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535]
bootstrap check failure [2] of [2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
ERROR: Elasticsearch did not exit normally – check the logs at /var/log/elasticsearch/my-application.log